package io.zhengsh.vvip.leetcode.array;

public class Q48 {

    class Solution {
        public void rotate(int[][] matrix) {
            int n = matrix.length;
            for (int i = 0; i < n / 2; i++) {
                for (int j = i; j < n - i - 1; j++) {
                    int temp = matrix[i][j];

                    matrix[i][j] = matrix[n - j - 1][i];
                    matrix[n - j - 1][i] = matrix[n - i - 1][n - j - 1];
                    matrix[n - i - 1][n - j - 1] = matrix[j][n - i - 1];
                    matrix[j][n - i - 1] = temp;
                }
            }
        }
    }
}
